import java.io.*;
import javax.crypto.*;
public class Skey_DES{ 
	public static void main(String args[])
		throws Exception{ 
		KeyGenerator kg=KeyGenerator.getInstance("DESede");
		kg.init(168); 
		SecretKey k=kg.generateKey( );
		FileOutputStream  f=new FileOutputStream("key1.dat");
		ObjectOutputStream b=new  ObjectOutputStream(f);
		b.writeObject(k);
	}
}
